Meth and the Brain. 1  Meth releases a surge of dopamine, causing an intense rush of pleasure or prolonged sense of euphoria. 2  Over time, meth destroys dopamine receptors, making it impossible to feel pleasure. 3  Although these pleasure centers can heal over time, research suggests that damage to users' cognitive abilities may be permanent.
Ammolite is an opal-like organic gemstone found primarily along the eastern slopes of the Rocky Mountains of North America. It is made of the fossilized shells of ammonites, which in turn are composed primarily of aragonite, the same mineral contained in nacre, with a microstructure inherited from the shell.
BU-201a: Absorbent Glass Mat (AGM) Learn what differentiate AGM from other lead acid battery types. AGM technology became popular in the early 1980s as a sealed lead acid battery for military aircraft, vehicles and UPS to reduce weight and improve reliability. The sulfuric acid is absorbed by a very fine fiberglass mat, making the battery spill-proof.